Right now most businesses have no control over what information is leaving their network via email, texting, group file sharing (think Dropbox et al) or social media posts and blogs. If you think proprietary or confidential information is not leaving your network you are sadly mistaken. Intentional or not, getting control over your corporate information and where it ends up should be high on your to do list. There are end point and perimeter security solutions that allow you to block and prevent leaking information to the rest of the world. The ramifications can be huge, including security breach, loss of proprietary information, compliance violation and loss of revenue. Do your self a favor and ask your staff or service provider what is being done to prevent data loss today.